Debris Flow · Puerto Rico

Debris Flow April 13, 2026 · San Sebastian, Puerto Rico

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Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Calle Casa del Biologo near PR-119 in Bo Aibonito Beltral in San Sebastian affected by landslide due to previous rainfall activity.

The wider storm

The combination of an approaching front, a developing pre-frontal trough, and a mid-to upper-level trough promoted a moist and unstable weather pattern across the

region. This resulted in flooding, landslides, flash flooding and hail from April 12th to 15th.

Began near San Sebastian (18.3742, -66.9290).

Source: NOAA Storm Events Database, event 1331797. Narratives are written by the National Weather Service forecast office that issued the report.

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